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Discussion Starter · #1 ·
Once again another emissions failure on CO. (MGF 2000)
Ran the check program on live data and saw a potential problem with the lambda (default reading 0.435mv check sensor),
Changed Lambda still the same ??
Did a 2 wire check with the ohmmeter and as the Lambda warmed up readings varying between 0.2 and 0.9 which for me shows a good Lambda
Checked with computer again still no readings and default message still showing
Checked wiring continuity between Lambda and ECU shows good

Car runs fine but a little rich, Now what :rolleyes:
 

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2002 MG TF VE51FTF
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I'm trying to learn about the sensors/ecu (which means I know nothing) but I think I've read that the engine/ecu temp sensor can cause over fuelling, might be worth a look.
 
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